Class Maybe<T>
- java.lang.Object
-
- org.apache.kafka.streams.state.internals.Maybe<T>
-
- Type Parameters:
T
-
public final class Maybe<T> extends java.lang.Object
A container that may be empty, may contain null, or may contain a value. Distinct fromOptional
, since Optional cannot contain null.
-
-
Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static <T> Maybe<T>
defined(T nullableValue)
boolean
equals(java.lang.Object o)
T
getNullableValue()
int
hashCode()
boolean
isDefined()
java.lang.String
toString()
static <T> Maybe<T>
undefined()
-
-
-
Method Detail
-
defined
public static <T> Maybe<T> defined(T nullableValue)
-
undefined
public static <T> Maybe<T> undefined()
-
getNullableValue
public T getNullableValue()
-
isDefined
public boolean isDefined()
-
equals
public boolean equals(java.lang.Object o)
- Overrides:
equals
in classjava.lang.Object
-
hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
-
toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
-
-